@colorH: #585858;

* {
  box-sizing: border-box;
}

body {
  color: #5d5a5a;
}

h1 {
  color: @colorH;
  font-size: 30px;
  letter-spacing: 2px;
}

h2 {
  color: @colorH;
  font-size: 25px;
  letter-spacing: 2px;
}

h3 {
  color: @colorH;
  font-size: 20px;
  letter-spacing: 2px;
}

h4 {
  color: @colorH;
  font-size: 19px;
  letter-spacing: 2px;
}

input[type='text'], select, textarea {
  display: block;
  width: 100%;
  padding: 5px 10px;
  border: 1px solid #b7b7b7;
  border-radius: 4px;
}

input[type='checkbox'] {
  width: 15px;
  height: 15px;
  border: 1px solid #b7b7b7;
  background: #fff;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 4px;
  padding: 10px 15px;
  min-width: 30px;
  font-size: 15px;
  letter-spacing: 1px;
}

.button-warn {
  color: #fff;
  background-color: #ff3931;
}

.button-warn:hover {
  background-color: #f99021;
}

.button-del {
  color: #fff;
  background-color: #7cb0ca;
}

.button-del:hover {
  background-color: #669ac2;
}
